材质 
M2.5
0.45
3.75
5.9
5.65
3.3
3.5
M3
0.5
4.5
6.3
6.05
3.8
4
M3.5
0.6
5.25
6.3
6.05
4.55
4.75
M4
0.7
6
6.1
5.85
5.15
5.35
M5
0.8
7.5
6.9
6.65
6.35
6.6
M6
1
9
6.9
6.65
7.6
7.85
M7
1
10.5
8.2
7.95
8.65
8.9
M8
1.25
12
7.4
7.15
9.85
10.1
M10
1.5
15
8.1
7.85
12.1
12.5
M12
1.75
18
8.4
8.15
14.4
14.8
M14
2
21
8.8
8.55
16.8
17.2
M16
2
24
10.1
9.85
19
19.4
M18
2.5
27
9
8.75
21.5
22
M20
2.5
30
10
9.75
23.7
24.2
M22
2.5
33
10.9
10.65
26.3
26.8
M24
3
36
10
9.75
28.6
29.1